20393718

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 41846112

約数和(自身を除く): 21452394

約数列:

[1, 2, 3, 6, 73, 101, 146, 202, 219, 303, 438, 461, 606, 922, 1383, 2766, 7373, 14746, 22119, 33653, 44238, 46561, 67306, 93122, 100959, 139683, 201918, 279366, 3398953, 6797906, 10196859, 20393718]

約数ペア:

[(1, 20393718), (2, 10196859), (3, 6797906), (6, 3398953), (73, 279366), (101, 201918), (146, 139683), (202, 100959), (219, 93122), (303, 67306), (438, 46561), (461, 44238), (606, 33653), (922, 22119), (1383, 14746), (2766, 7373)]